diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
index b4fb74e..2b40220 100644
--- a/gcc/ipa-cp.c
+++ b/gcc/ipa-cp.c
@@ -5305,4 +5305,5 @@ ipa_cp_c_finalize (void)
   max_count = profile_count::uninitialized ();
   overall_size = 0;
   max_new_size = 0;
+  ipcp_free_transformation_sum ();
 }
diff --git a/gcc/ipa-prop.h b/gcc/ipa-prop.h
index 30948fb..0ff8085 100644
--- a/gcc/ipa-prop.h
+++ b/gcc/ipa-prop.h
@@ -561,6 +561,7 @@ struct GTY(()) ipcp_transformation
 void ipa_set_node_agg_value_chain (struct cgraph_node *node,
 				   struct ipa_agg_replacement_value *aggvals);
 void ipcp_transformation_initialize (void);
+void ipcp_free_transformation_sum (void);
 
 /* ipa_edge_args stores information related to a callsite and particularly its
    arguments.  It can be accessed by the IPA_EDGE_REF macro.  */
diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c
index 2f2b070..158dbe7 100644
--- a/gcc/ipa-prop.c
+++ b/gcc/ipa-prop.c
@@ -3758,6 +3758,18 @@ ipcp_transformation_initialize (void)
     ipcp_transformation_sum = ipcp_transformation_t::create_ggc (symtab);
 }
 
+/* Release the IPA CP transformation summary.  */
+
+void
+ipcp_free_transformation_sum (void)
+{
+  if (!ipcp_transformation_sum)
+    return;
+
+  ipcp_transformation_sum->release ();
+  ipcp_transformation_sum = NULL;
+}
+
 /* Set the aggregate replacements of NODE to be AGGVALS.  */
 
 void